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<p class="Decl"><b>procedure</b> BeginRendering; <b>override</b>;</p>
<h2>Description</h2>
<p class="Body"><em>BeginRendering</em> shall be called before rendering any lines. It is called internally when the class is used as polygon filler. For custom polygon filler classes that are based on the <a href="../_Body.htm">TBarycentricGradientPolygonFiller</a> any further initialization code may be placed here</p>
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